The state does no such thing. The state regulates the killing of humans. If you forcibly enter my home with a perceived intent to harm me or my family and with

The state does no such thing. The state regulates the killing of humans. If you forcibly enter my home with a perceived intent to harm me or my family and without any right to do so, I will kill you and never run afoul of my state's laws. If you attack me and I find myself in fear of death or grave injury, I will kill you and never run afoul of my state's laws.